<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
</head>
<body>
<div class="one" id="root">
    <p>1-{{str}}</p>
</div>
</body>
<script>
    new Vue({
    	el:"#root",
    	data:{
    		str:"字符串-root1"
    	}
    })
    new Vue({
    	el:"#root",
    	data:{
    		str:"字符串-root2"
    	}
    })
</script>
</html>